(3-x)(5-x)=3

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Solution for (3-x)(5-x)=3 equation:


Simplifying
(3 + -1x)(5 + -1x) = 3

Multiply (3 + -1x) * (5 + -1x)
(3(5 + -1x) + -1x * (5 + -1x)) = 3
((5 * 3 + -1x * 3) + -1x * (5 + -1x)) = 3
((15 + -3x) + -1x * (5 + -1x)) = 3
(15 + -3x + (5 * -1x + -1x * -1x)) = 3
(15 + -3x + (-5x + 1x2)) = 3

Combine like terms: -3x + -5x = -8x
(15 + -8x + 1x2) = 3

Solving
15 + -8x + 1x2 = 3

Solving for variable 'x'.

Reorder the terms:
15 + -3 + -8x + 1x2 = 3 + -3

Combine like terms: 15 + -3 = 12
12 + -8x + 1x2 = 3 + -3

Combine like terms: 3 + -3 = 0
12 + -8x + 1x2 = 0

Factor a trinomial.
(2 + -1x)(6 + -1x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {2, 6}

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